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Descripción
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| This paper presents a Monte Carlo computational approach for nanoscale simulation of photocatalytic activity of spherical titania nanoparticles in a cement substrate. The work represents the first theoretical attempt to address the kinetics of a photocatalytic process occurring at nano-TiO2 inserted in a cement matrix. The herein reported Monte Carlo simulation includes charge diffusion and trapping, charge recombination, charge transport and adsorbents mineralization. Specifically, the cement microstructure influence on the photocatalysis is studied. It was found that inherent cement porosity promotes adsorption of inorganic species, charge carriers trapping in the surface and photon absorption, which results in enhanced TiO2 photocatalysis. | |
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Internacional
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Si |
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Nombre congreso
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2017 IEEE 17th International Conference on Nanotechnology (IEEE-NANO) |
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Tipo de participación
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960 |
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Lugar del congreso
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Pittsburgh, PA, USA |
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Revisores
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Si |
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ISBN o ISSN
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978-1-5090-3027-9 |
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DOI
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10.1109/NANO.2017.8117273 |
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Fecha inicio congreso
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25/07/2017 |
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Fecha fin congreso
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28/07/2017 |
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Desde la página
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208 |
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Hasta la página
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213 |
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Título de las actas
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Proceeding of 2017 IEEE 17th International Conference on Nanotechnology (IEEE-NANO) |